earth system Flashcards
system
Travelers must be pre-approved for the Global Entry program. All applicants undergo a rigorous background check and in-person interview before
feedback
the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback ) or to aid
Model
A systematic description of an object or phenomenon that shares important characteristics with the object or phenomenon. Scientific models can be materia
Biosphere
By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including
Ecosystem
· An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and
Biome
is a biogeographical unit consisting of a biological community that has formed in response to a shared regional climate.
organism
‘instrument, implement, tool’, and is any organic, living system that functions
population
Shows estimates of current USA Population overall and people by US state/county and of World Population overall, by country and most populated countries.
biotic factor
is any living thing that has an effect on an ecosystem. Biotic means “pertaining to life.” A factor is something that influences another thing.
abiotic factor
definition, a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it: Abiotic
community
Each level helps convey how much COVID-19 is impacting your community using data on hospitalizations and cases. Using these data, communities are classified a
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and
niche
In ecology, a niche is the match of a species to a specific environmental condition. It describes how an organism or population responds to the distribution
biodiversity
a study published in Science estimated there to be 5 ± 3 million extant species on Earth. Another study, published in 2011 by PLoS Biology, estimated
keystone species
is a species which has a disproportionately large effect on its natural environment relative to its abundance, a concept introduced in
exponential growth
Exponential growth is a process that increases quantity over time. It occurs when the instantaneous rate of change (that is, the derivative) of a quantity
logistic growth
The logistic function finds applications in a range of fields, including biology (especially ecology), biomathematics, chemistry, demography, economics, …
carrying capacity
The carrying capacity of an environment is the maximum population size of a biological species that can be sustained by that specific environment,
density dependent
n population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population.
density independent
In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population
population density
Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density.
emigration
Emigration is the act of leaving a resident country or place of residence with the intent to settle elsewhere Conversely, immigration describes the movement
disturbance
Not only invasive species can have a profound effect on an ecosystem, but also naturally occurring species can cause disturbance by their behavior. Disturbance
